Enhance Rust CI workflow with caching and checks

Updated the Rust CI workflow to include caching, formatting checks, linting, and artifact uploads for both Windows and Linux.

Author: j-Cis

.github/workflows/rust.yml

@@ -0,0 +1,68 @@
+name: Rust CI & Build
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+  # Pozwala uruchomić ręcznie z zakładki Actions
+  workflow_dispatch:
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  build-and-test:
+    name: Build on ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        # Testujemy na Windows (Twoje środowisko) i Ubuntu (dla pewności)
+        os: [ubuntu-latest, windows-latest]
+
+    steps:
+    - uses: actions/checkout@v4
+
+    # Cache przyspiesza budowanie przy kolejnych uruchomieniach
+    - name: Cache Cargo
+      uses: actions/cache@v3
+      with:
+        path: |
+          ~/.cargo/bin/
+          ~/.cargo/registry/index/
+          ~/.cargo/registry/cache/
+          ~/.cargo/git/db/
+          target/
+        key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+
+    # 1. Sprawdzanie formatowania (czy użyłeś cargo fmt)
+    - name: Check Formatting
+      run: cargo fmt -- --check
+
+    # 2. Sprawdzanie jakości kodu (Linter Clippy)
+    - name: Lint with Clippy
+      run: cargo clippy -- -D warnings
+
+    # 3. Uruchomienie testów
+    - name: Run tests
+      run: cargo test --verbose
+
+    # 4. Budowanie wersji produkcyjnej (Release)
+    - name: Build Release
+      run: cargo build --release --verbose
+
+    # 5. Wyciągnięcie gotowego pliku .exe (Tylko dla Windows)
+    - name: Upload Windows Artifact
+      if: runner.os == 'Windows'
+      uses: actions/upload-artifact@v4
+      with:
+        name: cargo-plot-fs-tree-windows
+        path: target/release/cargo-plot-fs-tree.exe
+
+    # 6. Wyciągnięcie gotowego pliku binarnego (Tylko dla Linux)
+    - name: Upload Linux Artifact
+      if: runner.os == 'Linux'
+      uses: actions/upload-artifact@v4
+      with:
+        name: cargo-plot-fs-tree-linux
+        path: target/release/cargo-plot-fs-tree